What types of data discrete random variables can represent? A: Discrete random variables can represent counts of discrete categories such as items in a population or sample space, or outcomes of a random experiment.

What type of probability distribution is associated with a discrete random variable? A: The probability distribution associated with a discrete random variable is a probability mass function.

What are the properties of a discrete random variable? A: The properties of a discrete random variable include it being countable, non-negative, numeric, and finite.

How can a discrete random variable be determined? A: A discrete random variable can be determined by counting and calculating probabilities for each element of the sample space.

How many discrete random variables are there? A: There are an infinite number of discrete random variables.